CVE-2020-23839
A Reflected Cross-Site Scripting (XSS) vulnerability in GetSimple CMS v3.3.16, in the admin/index.php login portal webpage, allows remote attackers to execute JavaScript code in the client's browser and harvest login credentials after a client clicks a…
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EPSS puts the probability of exploitation in the next 30 days at 10.5%, higher than 95% of all known CVEs. Patch or mitigate before the next change window.
Description
A Reflected Cross-Site Scripting (XSS) vulnerability in GetSimple CMS v3.3.16, in the admin/index.php login portal webpage, allows remote attackers to execute JavaScript code in the client's browser and harvest login credentials after a client clicks a link, enters credentials, and submits the login form.
- CVSS 3.1
- 6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 10.46% probability · 95th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- get-simple/getsimple cms
- Source
- cve@mitre.org
References
- http://packetstormsecurity.com/files/162016/GetSimple-CMS-3.3.16-Cross-Site-Scripting-Shell-Upload.htmlThird Party Advisory, VDB Entry
- https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1330Exploit, Third Party Advisory
- https://github.com/boku7/CVE-2020-23839Third Party Advisory
- https://www.exploit-db.com/exploits/49726Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/162016/GetSimple-CMS-3.3.16-Cross-Site-Scripting-Shell-Upload.htmlThird Party Advisory, VDB Entry
- https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1330Exploit, Third Party Advisory
- https://github.com/boku7/CVE-2020-23839Third Party Advisory
- https://www.exploit-db.com/exploits/49726Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.